Rivers, lakes and wetlands across the planet are still revealing remarkable biodiversity. In 2025 alone, scientists formally described 309 previously unknown freshwater fish species—almost one every day. The discoveries span five continents, from African rivers to Asian caves, highlighting the extent of life yet to be documented in freshwater ecosystems.
(c) David Clode

Über 300 neue Süßwasserfische in nur einem Jahr entdeckt

MONGABAY

Flüsse, Seen und Feuchtgebiete weltweit bergen weiterhin überraschende Vielfalt. Im Jahr 2025 beschrieben Forschende 309 bislang unbekannte Süßwasserfischarten – fast eine neue Art pro Tag. Die Entdeckungen reichen von afrikanischen Flusssystemen bis zu Höhlen in Asien und zeigen, wie viel Leben in Süßgewässern noch unerforscht ist.

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